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Finding the Fourth Proportional to 116,485.44, 160,536.72 and 84,598.96

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Solution

The fourth proportional to 116,485.44, 160,536.72 and 84,598.96 is: 116,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,485.44 : 160,536.72 = 84,598.96 : x
  2. Step 2: Convert to fraction form
    116,485.44/160,536.72 = 84,598.96/x
  3. Step 3: Cross multiply
    116,485.44x = 160,536.72 × 84,598.96
  4. Step 4: Simplify right side
    116,485.44x = 13,581,239,553.81
  5. Step 5: Solve for x
    x = 13,581,239,553.81/116,485.44
  6. Step 6: Final answer
    x = 116,591.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.